Airline passengers won almost €350,000 in compensation and refunds last year for delayed flights, cancellations, and denial of boarding.
A total of 3,152 separate cases were submitted to the aviation regulator, over half of them linked to flights that were cancelled.
Another nearly 1,400 cases related to lengthy delays on flights while 144 people complained about being denied boarding.
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11 cases related to disputes over downgrades or upgrades on flights.
A total of €228,000 was paid out in compensation in around 300 different cases, according to a database released by the Commission of Aviation Regulation.
The largest single compensation payment of €5,200 related to a delayed Thomson Airways flight.
There were three compensation payments of €3,000 involving Aer Lingus, two for cancellations and one for a delayed departure.
Two further €3,000 payments of compensation were also granted for delayed flights with Lufthansa and Turkish Airlines.
A combined €121,145 was paid out in expenses and flight refunds by airlines to just over 240 passengers.
Large payments in that category included €3,956 for a cancelled flight with Qatar Airways and €3,856 for a cancelled Westjet trip.
Some expenses refunds were tiny however, running to just €6 for one delayed Ryanair flight and €6.25 for another cancelled flight with the low-fares airline.
Unsurprisingly, Aer Lingus and Ryanair were responsible for most complaints as they operate the vast majority of flights from Irish airports.
There were just over 1,250 complaints about Aer Lingus, who suffered major IT issues in September, followed by 830 complaints about Ryanair.
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